USB Baby Bottle Warmer Sleeve
Description
The USB Baby Bottle Warmer Sleeve is a practical and portable solution for keeping your baby's milk warm at the perfect temperature — anytime, anywhere. Designed with adjustable Velcro straps, this warmer fits most standard baby bottles (55–80mm diameter) and ensures a secure hold.
Made from durable PU leather and equipped with a four-layer insulation system, including a built-in heating element, this bottle warmer sleeve effectively retains heat. It offers three temperature settings — 45°C, 55°C, and 65°C — with intuitive 3-color LED indicators for easy control.
Ideal for travel and daily use, the sleeve connects via USB to power banks, car chargers, or wall adapters, making it a reliable on-the-go bottle warming solution. Whether you're on a walk, in the car, or at home, your baby can enjoy warm milk whenever needed.
Key Features:
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Universal Fit – Adjustable Velcro strap fits most baby bottles (55–80mm diameter), including Avent, Dr. Browns, MAM, and Pigeon.
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USB Powered – Compatible with power banks, car chargers, and USB adapters for easy use at home or on the go.
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3 Heat Settings – Choose from 45°C, 55°C, or 65°C to maintain the perfect milk temperature for your baby.
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Visual Temperature Control – 3-color LED light system clearly indicates current temperature level.
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Multi-layer Insulation – Four-layer thermal design ensures safe and consistent heat retention.
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Compact & Portable – Lightweight, foldable, and easy to carry in diaper bags or strollers.
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Easy to Use – Simply wrap, connect, and warm. No complex setup or maintenance required.
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Safe PU Leather Design – Durable outer shell with a soft, insulated inner layer for long-lasting use.
Our Promise
At Little Woolie, we understand that when it comes to your baby, only the best will do. That’s why we’re dedicated to bringing you thoughtfully chosen products that combine comfort, safety, and timeless charm.
Every item in our collection is handpicked with love, from ultra-soft clothing and cozy blankets to trusted baby essentials. We work with brands and artisans who share our values: quality craftsmanship, gentle materials, and a deep respect for your little one’s well-being.
We promise:
- Safe and certified products for peace of mind
- Delicate, baby-safe fabrics that feel like a hug
- Warm, responsive customer care you can count on
- Sustainable choices for a kinder world
At Little Woolie, we’re more than a shop. We’re your partner in creating a soft, beautiful start for your baby. Thank you for letting us be part of your journey.
Shipping & Returns
Free Shipping within the United Kingdom
We offer free standard shipping on all orders within the United Kingdom. Delivery times may vary depending on the destination and will be shown at checkout.
Easy 30-Day Returns
If you're not completely satisfied with your purchase, you can request a return within 30 days of receiving your item. Simply contact our customer service team at info@little-woolie.com, and we’ll guide you through the return process.
What Our Customers Say

Our products
At Little Woolie, every product is carefully selected with love and intention. As parents ourselves, we know how important it is to choose items that are safe, soft, and made to last. That’s why we focus on high-quality, sustainable materials and timeless designs that feel just right for little ones. Whether it’s a cozy blanket, a cuddly toy, or a thoughtful gift, each item in our shop is something we would happily use in our own home.

Little Woolie
On behalf of the entire Little Woolie team, we want to sincerely thank you for your trust in us and for the wonderful reviews we've received. Your kind words and support mean the world to us.
We’re proud of how far we’ve come and excited about the journey ahead. Our mission is to continue growing and to bring joy to parents with thoughtful, safe, and beautifully designed baby products – created with love and care.
Thank you for being a part of our story. Here’s to many more special moments together!
With love,
Team Little Woolie

Our Motivation
The inspiration behind Little Woolie comes straight from the heart. When we became parents ourselves, we discovered how important it is to find products that are not only beautiful and sustainable but also chosen with care. We wanted to share that experience with other families. Little Woolie was born from that personal journey — with the goal of creating a shop where parents can confidently find the best for their little ones. Every order we send out feels like we're taking care of another family, too.
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